In the listing below, the names of Linux system calls and
C library functions are hyperlinked to manual pages
from the Linux
man-pages project,
and the names of functions implemented in the book are
hyperlinked to the implementations of those functions.

Note that, in most cases,
the programs rendered in these
web pages are not free standing:
you'll typically also need a few other source files
(mostly in the lib/
subdirectory) as well.
Generally, it's easier to just
download the entire
source tarball
and build the programs with make(1).
By hovering your mouse over the various hyperlinked
include files and function calls above,
you can see which other source files
this file depends on.